tree 5e7f8c4d394d625f7832cbd04a8d55f9f0cd0d95
parent a826e422420b461a6247137c292ff83c4800354a
author Andrea Arcangeli <aarcange@redhat.com> 1294962392 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1294968758 -0800

thp: compound_lock

Add a new compound_lock() needed to serialize put_page against
__split_huge_page_refcount().

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>